I think most of us don't believe that two firms is enough to make it a perfect competition, that the regulator shouldn't worry about the third firm.

我想大多数人不相信两家公司,就足够产生完全竞争,不相信监控者不必调查第三家公司

耶鲁公开课 - 博弈论课程节选

Let's pause it there, and as we said last time, it operates in that fashion, and that beginning gives us a good opportunity to make a distinction between two types of melody, between this idea of a motive and a theme.

稍微停一下,就像我们上次所说的那样,它是这样,编排的,乐曲的开始乐段给了我们很好的范例,来区分两种旋律类型,区分动机和主题

耶鲁公开课 - 聆听音乐课程节选